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Nonperturbative renormalization of meson decay constants in quenched QCD for a renormalization group improved gauge action
http://hdl.handle.net/2241/89315
http://hdl.handle.net/2241/8931575e55dd3-5ffe-4e60-983d-2e73b8683e5f
名前 / ファイル | ライセンス | アクション |
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PRD_70-7.pdf (312.1 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2007-05-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Nonperturbative renormalization of meson decay constants in quenched QCD for a renormalization group improved gauge action | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
Ide, K.
× Ide, K.× Aoki, S.× Burkhalter, R.× Fukugita, M.× Hashimoto, S.× Ishikawa, K.-I.× Ishikawa, T.× Ishizuka, N.× 岩崎, 洋一× Kanaya, K.× Kaneko, T.× Kuramashi, Y.× Lesk, V.× Okawa, M.× Taniguchi, Y.× Umeda, T.× 宇川, 彰× Yoshie, T. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Renormalization constants (Z-factors ) of vector and axial-vector currents are determined nonperturbatively in quenched QCD for a renormalization group improved gauge action and a tadpole-improved clover quark action using the Schrodinger functional method. Nonperturbative values of Z-factors turn out to be smaller than 1-loop perturbative values by O(15%) at a lattice spacing of a^-1≈1 GeV. The pseudoscalar and vector meson decay constants calculated with the nonperturbative Z-factors show a much better scaling behavior compared to previous results obtained with tadpole-improved one-loop Z-factors. In particular, the nonperturbative Z-factors normalized at infinite physical volume show that the scaling violations of the decay constants are within about 10% up to the lattice spacing a^-1~1 GeV. The continuum estimates obtained from data in the range a^-1~ 1 -2GeV agree with those determined from finer lattices (a^-1~2-4 GeV) with the standard action. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 70, 号 7, p. 074502, 発行日 2004-10 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773624 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.70.074502 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 2004 The American Physical Society | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Physical Society | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/89315 | |||||
識別子タイプ | HDL |